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https://issues.apache.org/jira/browse/HIVE-28274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17849658#comment-17849658
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Ayush Saxena commented on HIVE-28274:
-------------------------------------
Committed to master.
Thanx [~zhangbutao] for the review!!!
> Iceberg: Add support for 'If Not Exists' and 'or Replace' for Create Branch
> ---------------------------------------------------------------------------
>
> Key: HIVE-28274
> URL: https://issues.apache.org/jira/browse/HIVE-28274
> Project: Hive
> Issue Type: Sub-task
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Labels: pull-request-available
>
> Add support for
> {noformat}
> -- CREATE audit-branch at current snapshot with default retention if it
> doesn't exist.
> ALTER TABLE prod.db.sample CREATE BRANCH IF NOT EXISTS `audit-branch`
> -- CREATE audit-branch at current snapshot with default retention or REPLACE
> it if it already exists.
> ALTER TABLE prod.db.sample CREATE OR REPLACE BRANCH `audit-branch`{noformat}
> Like Spark:
> https://iceberg.apache.org/docs/1.5.1/spark-ddl/#branching-and-tagging-ddl
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